Below its emerald waters, these tropical islands in the heart of the Pacific conceal the world's biggest underwater graveyard ...

If you aren't up for shelling out money for a day pass to Atlantis, consider Blue Lagoon Island (also known as Salt Cay) as an option. Located just across the water from Paradise Island ...

The two islands combined created the U-shaped Ross Island, but the new embankment stopped the natural flow of the river between the islands and the lagoon became a “140-acre pond inside a river ...